Migula, Krypt. Germ., Austr. Helv. Exs. [Algen]
Migula, E.F.A.W. [1 - 300]

Drexel University, Academy of Natural Sciences
Catalog #: PH00348411
W. Migula #216 05 August 1927
Polyedrium minimum
Germany, Eisenach, Thuringen

Miami University
Catalog #: 000162243
W. Migula #s.n. 05 August 1927
Polyedrium minimum
Germany, Eisenach, Thuringen

University of Michigan
Catalog #: 732269
W. Migula #s.n. 05 August 1927
Tetraedron minimum (A.Braun) Hansgirg
Germany, Eisenach, Thuringen